IP Library › Granted Patent US 6,858,571
Granted Patent B2
US 6,858,571 · App. 10/694,079 · Granted Feb 22, 2005

Pentafluoropropene-based compositions

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Quick Facts
Patent No.
US 6,858,571
App. No.
10/694,079
Granted
Feb 22, 2005
Kind
B2
Abstract

Provided are azeotrope-like compositions comprising pentafluoropropene (HFO-1225) and a fluid selected from the group consisting of 3,3,3-trifluoropropene (“HFO-1243zf”), 1,1-difluoroethane (“HFC-152a”), trans-1,3,3,3-tetrafluoropropene (“HFO-1234ze”), and combinations of two or more thereof. Also provided are uses thereof including as refrigerants, blowing agents, sprayable compositions, flame suppressant, and the like.

Claims (72)

1. An azeotrope-like composition comprising from greater than zero to about 99 wt. % of HFO-1225 and from about 1 wt. % to less than 100 wt. % of a fluid selected from the group consisting of HFO-1243zf, HFC-152a, HFO-1234ze, and combinations of two or more thereof.

2. The azeotrope-like composition of claim 1 comprising from greater than zero to about 75 wt. % of HFO-1225 and from about 25 wt. % to less than 100 wt. % of the fluid selected from the group consisting of HFO-1243zf, HFC-152a, HFO-1234ze, and combinations of two or more thereof.

3. The azeotrope-like composition of claim 1 comprising from about 5 wt. % to about 90 wt. % of HFO-1225 and from about 10 wt. % to about 90 wt. % of the fluid selected from the group consisting of HFO-1243zf, HFC-152a, HFO-1234ze, and combinations of two or more thereof.

4. The azeotrope-like composition of claim 1 wherein said azeotrope-like composition has a boiling point of from about −18° C. to about −28° C. at about 14 psia.

5. The azeotrope-like composition of claim 1 wherein said azeotrope-like composition has a boiling point of about −22° C. to about −28° C. at about 14 psia.

6. The azeotrope-like composition of claim 1 wherein said azeotrope-like composition has a boiling point of about −21° C. to about −26° C. at about 14 psia.

7. The azeotrope-like composition of claim 4 wherein said azeotrope-like composition has a boiling point of about −20° C.±2° C. at about 14 psia.

8. The azeotrope-like composition of claim 5 comprising from greater than zero to about 50 wt. % of HFO-1225 and from about 50 wt. % to less than 100 wt. % of HFO-1243zf.

9. The azeotrope-like composition of claim 8 comprising from greater than zero to about 25 wt. % of HFO-1225 and from about 75 wt. % to less than 100 wt. % of HFO-1243zf.

10. The azeotrope-like composition of claim 9 comprising from about 1 wt. % to about 20 wt. % of HFO-1225 and from about 80 wt. % to about 99 wt. % of HFO-1243zf.

11. The azeotrope-like composition of claim 8 wherein said azeotrope-like composition has a boiling point of about −24° C. to about −28° C. at about 14.4 psia.

12. The azeotrope-like composition of claim 8 wherein said azeotrope-like composition has a boiling point of about −23° C. to about −27° C. at about 14 psia.

13. The azeotrope-like composition of claim 11 comprising from greater than zero to about 50 wt. % of HFO-1225ye and from about 50 wt. % to less than 100 wt. % of HFO-1243zf.

14. The azeotrope-like composition of claim 13 comprising from greater than zero to about 25 wt. % of HFO-1225ye and from about 75 wt. % to less than 100 wt. % of HFO-1243zf.

15. The azeotrope-like composition of claim 14 comprising from about 1 to about 20 wt. % of HFO-1225ye and from about 80 wt. % to about 99 wt. % of HFO-1243zf.

16. The azeotrope-like composition of claim 15 comprising from about 1 to about 15 wt. % of HFO-1225ye and from about 85 wt. % to about 99 wt. % of HFO-1243zf.

17. The azeotrope-like composition of claim 13 wherein said HFO-1225ye comprises Z-HFO-1225ye.

18. The azeotrope-like composition of claim 15 wherein said HFO-1225ye comprises Z-HFO-1225ye.

19. The azeotrope-like composition of claim 18 wherein said azeotrope-like composition has a boiling point of about −26° C. to about −28° C. at about 14.4 psia.

20. The azeotrope-like composition of claim 13 wherein said HFO-1225ye comprises E-HFO-1225ye.

21. The azeotrope-like composition of claim 15 wherein said HFO-1225ye comprises E-HFO-1225ye.

22. The azeotrope-like composition of claim 21 wherein said azeotrope-like composition has a boiling point of about −26° C. to about −28° C. at about 14.4 psia.

23. The azeotrope-like composition of claim 13 wherein said HFO-1225ye comprises E/Z-HFO-1225ye.

24. The azeotrope-like composition of claim 15 wherein said HFO-1225ye comprises E/Z-HFO-1225ye.

25. The azeotrope-like composition of claim 24 wherein said azeotrope-like composition has a boiling point of about −26° C. to about −28° C. at about 14.4 psia.

26. The azeotrope-like composition of claim 12 comprising from greater than zero to about 50 wt. % of HFO-1225zc and from about 50 wt. % to less than 100 wt. % of HFO-1243zf.

27. The azeotrope-like composition of claim 26 comprising from greater than zero to about 40 wt. % of HFO-1225zc and from about 60 wt. % to less than 100 wt. % of HFO-1243zf.

28. The azeotrope-like composition of claim 27 comprising from about 1 to about 20 wt. % of HFO-1225zc and from about 80 wt. % to about 99 wt. % of HFO-1243zf.

29. The azeotrope-like composition of claim 28 wherein said azeotrope-like composition has a boiling point of about −24° C. to about −26° C. at about 14 psia.

30. The azeotrope-like composition of claim 6 comprising from greater than zero to about 99 wt. % of HFO-1225 and from about 1 wt. % to less than 100 wt. % of HFC-152a.

31. The azeotrope-like composition of claim 30 comprising from greater than zero to about 75 wt. % of HFO-1225 and from about 25 wt. % to less than 100 wt. % of HFC-152a.

32. The azeotrope-like composition of claim 31 comprising from about 1 wt. % to about 20 wt. % of HFO-1225 and from about 80 wt. % to about 99 wt. % of HFC-152a.

33. The azeotrope-like composition of claim 30 wherein said azeotrope-like composition has a boiling point of about −23° C.±2° C. at about 14 psia.

34. The azeotrope-like composition of claim 33 comprising from greater than zero to about 75 wt. % of HFO-1225ye and from about 25 wt. % to less than 100 wt. % of HFC-152a.

35. The azeotrope-like composition of claim 34 comprising from greater than zero to about 60 wt. % of HFO-1225ye and from about 40 wt. % to less than 100 wt. % of HFC-152a.

36. The azeotrope-like composition of claim 35 comprising from greater than zero to about 40 wt. % of HFO-1225ye and from about 60 wt. % to less than 100 wt. % of HFC-152a.

37. The azeotrope-like composition of claim 36 comprising from about 1 to about 25 wt. % of HFO-1225ye and from about 75 wt. % to about 99 wt. % of HFC-152a.

38. The azeotrope-like composition of claim 34 wherein said HFO-1225ye comprises Z-HFO-1225ye.

39. The azeotrope-like composition of claim 36 wherein said HFO-1225ye comprises Z-HFO-1225ye.

40. The azeotrope-like composition of claim 39 wherein said azeotrope-like composition has a boiling point of about −23° C.±2° C. at about 14 psia.

41. The azeotrope-like composition of claim 34 wherein said HFO-1225ye comprises E-HFO-1225ye.

42. The azeotrope-like composition of claim 36 wherein said HFO-1225ye comprises E-HFO-1225ye.

43. The azeotrope-like composition of claim 42 wherein said azeotrope-like composition has a boiling point of about −23° C.±2° C. at about 14 psia.

44. The azeotrope-like composition of claim 34 wherein said HFO-1225ye comprises E/Z-HFO-1225ye.

45. The azeotrope-like composition of claim 36 wherein said HFO-1225ye comprises E/Z-HFO-1225ye.

46. The azeotrope-like composition of claim 45 wherein said azeotrope-like composition has a boiling point of about −26° C. to about −28° C. at about 14.4 psia.

47. The azeotrope-like composition of claim 30 wherein said azeotrope-like composition has a boiling point of about −24° C.±2° C. at about 14 psia.

48. The azeotrope-like composition of claim 47 comprising from about 10 wt. % to about 99 wt. % of HFO-1225zc and from about 1 wt. % to about 90 wt. % of HFC-152a.

49. The azeotrope-like composition of claim 48 comprising from about 10 wt. % to about 60 wt. % of HFO-1225zc and from about 40 wt. % to about 90 wt. % of HFC-152a.

50. The azeotrope-like composition of claim 49 comprising from about 10 wt. % to about 50 wt. % of HFO-1225zc and from about 50 wt. % to about 90 wt. % of HFC-152a.

51. The azeotrope-like composition of claim 7 comprising from about 1 wt. % to about 99 wt. % of HFO-1225 and from about 1 wt. % to about 99 wt. % of HFO-1234ze.

52. The azeotrope-like composition of claim 51 comprising from about 25 wt. % to about 99 wt. % of HFO-1225 and from about 1 wt. % to about 75 wt. % of HFO-1234ze.

53. The azeotrope-like composition of claim 52 comprising from about 50 wt. % to about 90 wt. % of HFO-1225 and from about 10 wt. % to about 50 wt. % of HFO-1234ze.

54. The azeotrope-like composition of claim 51 wherein said HFO-1225 is HFO-1225ye.

55. The azeotrope-like composition of claim 54 wherein said HFO-1225ye comprises Z-HFO-1225ye.

56. The azeotrope-like composition of claim 54 wherein said HFO-1225ye comprises E-HFO-1225ye.

57. The azeotrope-like composition of claim 54 wherein said HFO-1225ye comprises E/Z-HFO-1225ye.

58. The azeotrope-like composition of claim 1 wherein said HFO-1225 is HFO-1225yc.

59. A refrigerant composition comprising an azeotrope-like composition of claim 1 .

60. A refrigeration system comprising a refrigerant of claim 59 .

61. A method for cooling an article which comprises evaporating a refrigerant composition of claim 57 in the vicinity of the article to be cooled.

62. A method for heating an article which comprises condensing a refrigerant composition of claim 59 in the vicinity of the article to be heated.

63. A sprayable composition comprising a material to be sprayed and a propellant comprising an azeotrope-like composition of claim 1 .

64. A blowing agent comprising an azeotrope-like composition of claim 1 .

65. A closed cell foam prepared by foaming a foamable composition in the presence of a blowing agent comprising the azeotrope-like composition of claim 1 .

66. The closed cell foam of claim 65 wherein said foamble composition comprises polyurethane, polyisocyanurate, polystyrene, polyethylene, and mixtures thereof.

67. A method of reducing the flammability of a fluid comprising adding an azeotrope-like composition of claim 1 to said fluid.

68. A method of suppressing a flame comprising contacting said flame with a fluid comprising an azeotrope-like composition of claim 1 .

69. A method of sterilizing an article, said method comprising contacting said article to be sterilized with a composition comprising an azeotrope-like composition of claim 1 .

70. The method of claim 69 wherein said composition further comprises ethylene oxide.

71. A method of forming a foam comprising adding to a foamable composition a blowing agent comprising an azeotrope-like composition of claim 1 .

72. A premix of a polyol and a blowing agent wherein the blowing agent comprises an azeotrope-like composition of claim 1 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 4, 2004
From: PHAM, HANG T.; SINGH, RAJIV R.; WILSON, DAVID P.
To: HONEYWELL INTERNATIONAL INC.
Reel/Frame 015032/0221 →